The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 135mm F1.8 FE and the Samyang 85mm F1.4 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Samyang AF 135mm F1.8 FE is the longer of the two lenses at 130mm. The Samyang 85mm F1.4 with a length of 75mm, is 55mm shorter. Besides being longer, the Samyang AF 135mm F1.8 FE also has a larger diameter of 93mm compared to the Samyang 85mm F1.4's 78mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Samyang 85mm F1.4 weighs 539g, 30% (233g) lighter than the Samyang AF 135mm F1.8 FE's weight of 772g.
Filter Threads
The Samyang AF 135mm F1.8 FE has a filter size of 82mm whereas the Samyang 85mm F1.4 has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 82mm filters that we recommend you to consider for the Samyang AF 135mm F1.8 FE:
And these are the 72mm filters that we recommend for the Samyang 85mm F1.4:
Lens Mounts
The Samyang AF 135mm F1.8 FE has the Sony E lens mount whereas the Samyang 85mm F1.4 has the Samsung NX lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Samsung NX500, Samsung NX1 and Samsung NX3000 for the Samsung NX Mount.
Samyang 85mm F1.4 is also available in Canon EF , Nikon F (FX), Four Thirds, Pentax KAF, Sony Alpha and Sony E mounts.
Focal Range
Samyang AF 135mm F1.8 FE is a prime lens with fixed focal lenght of 135mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
202.5mm.
On the other hand, the Samyang 85mm F1.4 is a prime lens with fixed focal lenght of 85mm.
